<template>
    <div ref="lyechartmain"  style="width: 100%;height: 280px"></div>
</template>

<script setup>
    import {nextTick, onBeforeUnmount, onMounted, ref} from "vue";
    // 按需引入echarts
    import echarts from "@/components/analysis/echartsInstall";
    let myChart = null
    let option = {
        title: {
        text: ''
        },
        tooltip: {
        trigger: 'axis',
        axisPointer: {
          type: 'cross',
          label: {
            backgroundColor: '#6a7985'
          }
        }
        },
        legend: {
        data: ['衣服', '零食', '手机', '生鲜', '母婴']
        },
        toolbox: {
        feature: {
          saveAsImage: {}
        }
        },
        grid: {
        left: '3%',
        right: '4%',
        bottom: '3%',
        containLabel: true
        },
        xAxis: [
        {
          type: 'category',
          boundaryGap: false,
          data: ['周一', '周二', '周三', '周四', '周五', '周六', '周日']
        }
        ],
        yAxis: [
        {
          type: 'value'
        }
        ],
        series: [
        {
          name: '衣服',
          type: 'line',
          stack: 'Total',
          areaStyle: {},
          emphasis: {
            focus: 'series'
          },
          data: [120, 132, 101, 134, 90, 230, 210]
        },
        {
          name: '零食',
          type: 'line',
          stack: 'Total',
          areaStyle: {},
          emphasis: {
            focus: 'series'
          },
          data: [220, 182, 191, 234, 290, 330, 310]
        },
        {
          name: '手机',
          type: 'line',
          stack: 'Total',
          areaStyle: {},
          emphasis: {
            focus: 'series'
          },
          data: [150, 232, 201, 154, 190, 330, 410]
        },
        {
          name: '生鲜',
          type: 'line',
          stack: 'Total',
          areaStyle: {},
          emphasis: {
            focus: 'series'
          },
          data: [320, 332, 301, 334, 390, 330, 320]
        },
        {
          name: '母婴',
          type: 'line',
          stack: 'Total',
          label: {
            show: true,
            position: 'top'
          },
          areaStyle: {},
          emphasis: {
            focus: 'series'
          },
          data: [820, 932, 901, 934, 1290, 1330, 1320]
        }
        ]
        };
    let lyechartmain = ref(null)
    onMounted(() => {//需要获取到element,所以是onMounted的Hook
        setTimeout(() => {
            nextTick(()=>{
                myChart = echarts.init(lyechartmain.value);
                myChart.setOption(option);
            })
        },300)
        // myChart = echarts.init(document.getElementById("lyechartmain"));
        // // 绘制图表
        // myChart.setOption(option);
        window.onresize = function () {//自适应大小
            if(myChart){
                myChart.resize();
            }
        };
    });
    onBeforeUnmount(() => {
        window.onresize = null;
    })
    function handleResize() {
        if(myChart){
            myChart.resize();
        }
    }
    defineExpose({
        handleResize
    })
</script>

<style scoped>

</style>